Chickenpox is a very contagious disease caused by the varicella-zoster virus. The virus spreads through tiny droplets easily from people with chickenpox to others who have never had the disease or been vaccinated. It causes a blister like rash,itching,tiredness,and fever. As there is an increase in number of cases,if you diagnose a case with comorbidity please report to district health authority and refer to specialized health care hospitals. Chickenpox can be serious in patients with weak immune systems. So be vigilant.